You can say something like:

I accept your decission.

I agree with you in continue with the same conditions as for now.

I underestand you need to take time to think about it, if there is anyway I can help you on this, please let me know.

Thank you for keep me updated on the d6 vaccine, its amazing how fast she is growing and I wish it didnt hurt her a lot to get the inmunizations.

Have a great weekend.

When the student its ready, the teacher will appear...
Even after all this time the sun never says to the Earth, "You owe me."
Look what happens with a love like that,It lights the whole sky.